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Since there is no universal agreement on Europe's regional composition, the placement of individual countries may vary based on criteria being used. For instance, the Balkans is a distinct geographical region within Europe, but individual countries may alternatively be grouped into South-eastern Europe or Southern Europe.
Water wheel. A water wheel is a machine for converting the energy of flowing or falling water into useful forms of power, often in a watermill. A water wheel consists of a wheel (usually constructed from wood or metal), with a number of blades or buckets arranged on the outside rim forming the driving car.
List of Ferris wheels. The original Ferris Wheel with a height of 80.4 metres (264 ft) next to the Ain Dubai, the current tallest Ferris wheel, with a height of 250 metres (820 ft). The Ain Dubai can carry 1750 people. The gondolas are each about twice the size of a city bus, and can be reserved for private parties.
Wheel. An early wheel made of a solid piece of wood. A wheel is a rotating component (typically circular in shape) that is intended to turn on an axle bearing. The wheel is one of the key components of the wheel and axle which is one of the six simple machines.
Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere. It is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, the Mediterranean Sea to the south, and Asia to the east. Europe shares the landmass of Eurasia with Asia, and of Afro-Eurasia with both Asia and Africa.
Northwestern Europe. Map of the countries included in a minimum definition of Northwestern Europe. Northwestern Europe, or Northwest Europe, is a loosely defined subregion of Europe, overlapping Northern and Western Europe. The term is used in geographic, [ 1] history, [ 2] and military contexts. [ 3]
The wheels can be large, reaching diameters of 75 feet. The most common variation between different wheels are the spokes. There is no set number of spokes for a medicine wheel to have although there are usually 28, the same number of days in a lunar cycle. The spokes within each wheel are rarely evenly spaced, or even all the same length.
Where the Americas are viewed as a single continent (America), it is divided into two subcontinents (North America and South America) [70] [71] [72] or three (Central America being the third). [ 73 ] [ 74 ] When Eurasia is regarded as a single continent, Asia and Europe are treated as subcontinents.